1120211222100 has 72 divisors (see below), whose sum is σ = 3274558414848. Its totient is φ = 295643366400.

The previous prime is 1120211222083. The next prime is 1120211222101. The reversal of 1120211222100 is 12221120211.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1120211222100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120211222101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19218516 + ... + 19276715.

It is an arithmetic number, because the mean of its divisors is an integer number (45479977984).

Almost surely, 2^{1120211222100} is an apocalyptic number.

1120211222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120211222100 is an abundant number, since it is smaller than the sum of its proper divisors (2154347192748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120211222100 is a wasteful number, since it uses less digits than its factorization.

1120211222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38495345 (or 38495338 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1120211222100 its reverse (12221120211), we get a palindrome (1132432342311).

The spelling of 1120211222100 in words is "one trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty-two thousand, one hundred".